/* ------------------------------------------------------------------------
 * 	Class: prettyPhoto
 * 	Use: Lightbox clone for jQuery
 * 	Author: Stephane Caron (http://www.no-margin-for-errors.com)
 * 	Version: 2.5.6
 ------------------------------------------------------------------------- */

(function($){
    $.prettyPhoto={
        version:'2.5.6'
    };

    $.fn.prettyPhoto=function(settings){
        settings=jQuery.extend({
            animationSpeed:'normal',
            opacity:0.80,
            showTitle:true,
            allowresize:true,
            default_width:500,
            default_height:344,
            counter_separator_label:'/',
            theme:'light_rounded',
            hideflash:false,
            wmode:'opaque',
            autoplay:true,
            modal:false,
            changepicturecallback:function(){},
            callback:function(){},
            markup:'<div class="pp_pic_holder"> \
      <div class="pp_top"> \
       <div class="pp_left"></div> \
       <div class="pp_middle"></div> \
       <div class="pp_right"></div> \
      </div> \
      <div class="pp_content_container"> \
       <div class="pp_left"> \
       <div class="pp_right"> \
        <div class="pp_content"> \
         <div class="pp_loaderIcon"></div> \
         <div class="pp_fade"> \
          <a href="#" class="pp_expand" title="Expand the image">Expand</a> \
          <div class="pp_hoverContainer"> \
           <a class="pp_next" href="#">next</a> \
           <a class="pp_previous" href="#">previous</a> \
          </div> \
          <div id="pp_full_res"></div> \
          <div class="pp_details clearfix"> \
           <a class="pp_close" href="#">Close</a> \
           <p class="pp_description"></p> \
           <div class="pp_nav"> \
            <a href="#" class="pp_arrow_previous">Previous</a> \
            <p class="currentTextHolder">0/0</p> \
            <a href="#" class="pp_arrow_next">Next</a> \
           </div> \
          </div> \
         </div> \
        </div> \
       </div> \
       </div> \
      </div> \
      <div class="pp_bottom"> \
       <div class="pp_left"></div> \
       <div class="pp_middle"></div> \
       <div class="pp_right"></div> \
      </div> \
     </div> \
     <div class="pp_overlay"></div> \
     <div class="ppt"></div>',
            image_markup:'<img id="fullResImage" src="" />',
            flash_markup:'<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="{width}" height="{height}"><param name="wmode" value="{wmode}" /><param name="allowfullscreen" value="true" /><param name="allowscriptaccess" value="always" /><param name="movie" value="{path}" /><embed src="{path}" type="application/x-shockwave-flash" allowfullscreen="true" allowscriptaccess="always" width="{width}" height="{height}" wmode="{wmode}"></embed></object>',
            quicktime_markup:'<object classid="clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B" codebase="http://www.apple.com/qtactivex/qtplugin.cab" height="{height}" width="{width}"><param name="src" value="{path}"><param name="autoplay" value="{autoplay}"><param name="type" value="video/quicktime"><embed src="{path}" height="{height}" width="{width}" autoplay="{autoplay}" type="video/quicktime" pluginspage="http://www.apple.com/quicktime/download/"></embed></object>',
            iframe_markup:'<iframe src ="{path}" width="{width}" height="{height}" frameborder="no"></iframe>',
            inline_markup:'<div class="pp_inline clearfix">{content}</div>'
        },settings);
        if($.browser.msie&&parseInt($.browser.version)==6){
            settings.theme="light_square";
        }
        if($('.pp_overlay').size()==0)_buildOverlay();
        var doresize=true,percentBased=false,correctSizes,$pp_pic_holder,$ppt,$pp_overlay,pp_contentHeight,pp_contentWidth,pp_containerHeight,pp_containerWidth,windowHeight=$(window).height(),windowWidth=$(window).width(),setPosition=0,scrollPos=_getScroll();
        $(window).scroll(function(){
            scrollPos=_getScroll();
            _centerOverlay();
            _resizeOverlay();
        });
        $(window).resize(function(){
            _centerOverlay();
            _resizeOverlay();
        });
        $(document).keydown(function(e){
            if($pp_pic_holder.is(':visible'))
                switch(e.keyCode){
                    case 37:
                        $.prettyPhoto.changePage('previous');
                        break;
                    case 39:
                        $.prettyPhoto.changePage('next');
                        break;
                    case 27:
                        if(!settings.modal)
                        $.prettyPhoto.close();
                    break;
                };

        });
    $(this).each(function(){
        $(this).bind('click',function(){
            _self=this;
            theRel=$(this).attr('rel');
            galleryRegExp=/\[(?:.*)\]/;
            theGallery=galleryRegExp.exec(theRel);
            var images=new Array(),titles=new Array(),descriptions=new Array();
            if(theGallery){
                $('a[rel*='+theGallery+']').each(function(i){
                    if($(this)[0]===$(_self)[0])setPosition=i;
                    images.push($(this).attr('href'));
                    titles.push($(this).find('img').attr('alt'));
                    descriptions.push($(this).attr('title'));
                });
            }else{
                images=$(this).attr('href');
                titles=($(this).find('img').attr('alt'))?$(this).find('img').attr('alt'):'';
                descriptions=($(this).attr('title'))?$(this).attr('title'):'';
            }
            $.prettyPhoto.open(images,titles,descriptions);
            return false;
        });
    });
    $.prettyPhoto.open=function(gallery_images,gallery_titles,gallery_descriptions){
        if($.browser.msie&&$.browser.version==6){
            $('select').css('visibility','hidden');
        };

        if(settings.hideflash)$('object,embed').css('visibility','hidden');
        images=$.makeArray(gallery_images);
        titles=$.makeArray(gallery_titles);
        descriptions=$.makeArray(gallery_descriptions);
        image_set=($(images).size()>0)?true:false;
        _checkPosition($(images).size());
        $('.pp_loaderIcon').show();
        $pp_overlay.show().fadeTo(settings.animationSpeed,settings.opacity);
        $pp_pic_holder.find('.currentTextHolder').text((setPosition+1)+settings.counter_separator_label+$(images).size());
        if(descriptions[setPosition]){
            $pp_pic_holder.find('.pp_description').show().html(unescape(descriptions[setPosition]));
        }else{
            $pp_pic_holder.find('.pp_description').hide().text('');
        };

        if(titles[setPosition]&&settings.showTitle){
            hasTitle=true;
            $ppt.html(unescape(titles[setPosition]));
        }else{
            hasTitle=false;
        };

        movie_width=(parseFloat(grab_param('width',images[setPosition])))?grab_param('width',images[setPosition]):settings.default_width.toString();
        movie_height=(parseFloat(grab_param('height',images[setPosition])))?grab_param('height',images[setPosition]):settings.default_height.toString();
        if(movie_width.indexOf('%')!=-1||movie_height.indexOf('%')!=-1){
            movie_height=parseFloat(($(window).height()*parseFloat(movie_height)/100)-100);
            movie_width=parseFloat(($(window).width()*parseFloat(movie_width)/100)-100);
            percentBased=true;
        }
        $pp_pic_holder.fadeIn(function(){
            imgPreloader="";
            switch(_getFileType(images[setPosition])){
                case'image':
                    imgPreloader=new Image();
                    nextImage=new Image();
                    if(image_set&&setPosition>$(images).size())nextImage.src=images[setPosition+1];
                    prevImage=new Image();
                    if(image_set&&images[setPosition-1])prevImage.src=images[setPosition-1];
                    $pp_pic_holder.find('#pp_full_res')[0].innerHTML=settings.image_markup;
                    $pp_pic_holder.find('#fullResImage').attr('src',images[setPosition]);
                    imgPreloader.onload=function(){
                    correctSizes=_fitToViewport(imgPreloader.width,imgPreloader.height);
                    _showContent();
                };

                imgPreloader.onerror=function(){
                    alert('Image cannot be loaded. Make sure the path is correct and image exist.');
                    $.prettyPhoto.close();
                };

                imgPreloader.src=images[setPosition];
                break;
                case'youtube':
                    correctSizes=_fitToViewport(movie_width,movie_height);
                    movie='http://www.youtube.com/v/'+grab_param('v',images[setPosition]);
                    if(settings.autoplay)movie+="&autoplay=1";
                    toInject=settings.flash_markup.replace(/{width}/g,correctSizes['width']).replace(/{height}/g,correctSizes['height']).replace(/{wmode}/g,settings.wmode).replace(/{path}/g,movie);
                    break;
                case'vimeo':
                    correctSizes=_fitToViewport(movie_width,movie_height);
                    movie_id=images[setPosition];
                    movie='http://vimeo.com/moogaloop.swf?clip_id='+movie_id.replace('http://vimeo.com/','');
                    if(settings.autoplay)movie+="&autoplay=1";
                    toInject=settings.flash_markup.replace(/{width}/g,correctSizes['width']).replace(/{height}/g,correctSizes['height']).replace(/{wmode}/g,settings.wmode).replace(/{path}/g,movie);
                    break;
                case'quicktime':
                    correctSizes=_fitToViewport(movie_width,movie_height);
                    correctSizes['height']+=15;
                    correctSizes['contentHeight']+=15;
                    correctSizes['containerHeight']+=15;
                    toInject=settings.quicktime_markup.replace(/{width}/g,correctSizes['width']).replace(/{height}/g,correctSizes['height']).replace(/{wmode}/g,settings.wmode).replace(/{path}/g,images[setPosition]).replace(/{autoplay}/g,settings.autoplay);
                    break;
                case'flash':
                    correctSizes=_fitToViewport(movie_width,movie_height);
                    flash_vars=images[setPosition];
                    flash_vars=flash_vars.substring(images[setPosition].indexOf('flashvars')+10,images[setPosition].length);
                    filename=images[setPosition];
                    filename=filename.substring(0,filename.indexOf('?'));
                    toInject=settings.flash_markup.replace(/{width}/g,correctSizes['width']).replace(/{height}/g,correctSizes['height']).replace(/{wmode}/g,settings.wmode).replace(/{path}/g,filename+'?'+flash_vars);
                    break;
                case'iframe':
                    correctSizes=_fitToViewport(movie_width,movie_height);
                    frame_url=images[setPosition];
                    frame_url=frame_url.substr(0,frame_url.indexOf('iframe')-1);
                    toInject=settings.iframe_markup.replace(/{width}/g,correctSizes['width']).replace(/{height}/g,correctSizes['height']).replace(/{path}/g,frame_url);
                    break;
                case'inline':
                    myClone=$(images[setPosition]).clone().css({
                    'width':settings.default_width
                    }).wrapInner('<div id="pp_full_res"><div class="pp_inline clearfix"></div></div>').appendTo($('body'));
                    correctSizes=_fitToViewport($(myClone).width(),$(myClone).height());
                    $(myClone).remove();
                    toInject=settings.inline_markup.replace(/{content}/g,$(images[setPosition]).html());
                    break;
            };

            if(!imgPreloader){
                $pp_pic_holder.find('#pp_full_res')[0].innerHTML=toInject;
                _showContent();
            };

        });
};

$.prettyPhoto.changePage=function(direction){
    if(direction=='previous'){
        setPosition--;
        if(setPosition<0){
            setPosition=0;
            return;
        };

}else{
    if($('.pp_arrow_next').is('.disabled'))return;
    setPosition++;
};

if(!doresize)doresize=true;
    _hideContent(function(){
    $.prettyPhoto.open(images,titles,descriptions)
    });
$('a.pp_expand,a.pp_contract').fadeOut(settings.animationSpeed);
    };

    $.prettyPhoto.close=function(){
        $pp_pic_holder.find('object,embed').css('visibility','hidden');
        $('div.pp_pic_holder,div.ppt,.pp_fade').fadeOut(settings.animationSpeed);
        $pp_overlay.fadeOut(settings.animationSpeed,function(){
            $('#pp_full_res').html('');
            $pp_pic_holder.attr('style','').find('div:not(.pp_hoverContainer)').attr('style','');
            _centerOverlay();
            if($.browser.msie&&$.browser.version==6){
                $('select').css('visibility','visible');
            };

            if(settings.hideflash)$('object,embed').css('visibility','visible');
            setPosition=0;
            settings.callback();
        });
        doresize=true;
    };

    _showContent=function(){
        $('.pp_loaderIcon').hide();
        projectedTop=scrollPos['scrollTop']+((windowHeight/2)-(correctSizes['containerHeight']/2));
        if(projectedTop<0)projectedTop=0+$ppt.height();
        $pp_pic_holder.find('.pp_content').animate({
            'height':correctSizes['contentHeight']
            },settings.animationSpeed);
        $pp_pic_holder.animate({
            'top':projectedTop,
            'left':(windowWidth/2)-(correctSizes['containerWidth']/2),
            'width':correctSizes['containerWidth']
            },settings.animationSpeed,function(){
            $pp_pic_holder.find('.pp_hoverContainer,#fullResImage').height(correctSizes['height']).width(correctSizes['width']);
            $pp_pic_holder.find('.pp_fade').fadeIn(settings.animationSpeed);
            if(image_set&&_getFileType(images[setPosition])=="image"){
                $pp_pic_holder.find('.pp_hoverContainer').show();
            }else{
                $pp_pic_holder.find('.pp_hoverContainer').hide();
            }
            if(settings.showTitle&&hasTitle){
                $ppt.css({
                    'top':$pp_pic_holder.offset().top-25,
                    'left':$pp_pic_holder.offset().left+20,
                    'display':'none'
                });
                $ppt.fadeIn(settings.animationSpeed);
            };

            if(correctSizes['resized'])$('a.pp_expand,a.pp_contract').fadeIn(settings.animationSpeed);
            settings.changepicturecallback();
        });
    };

    function _hideContent(callback){
        $pp_pic_holder.find('#pp_full_res object,#pp_full_res embed').css('visibility','hidden');
        $pp_pic_holder.find('.pp_fade').fadeOut(settings.animationSpeed,function(){
            $('.pp_loaderIcon').show();
            if(callback)callback();
        });
        $ppt.fadeOut(settings.animationSpeed);
    }
    function _checkPosition(setCount){
        if(setPosition==setCount-1){
            $pp_pic_holder.find('a.pp_next').css('visibility','hidden');
            $pp_pic_holder.find('a.pp_arrow_next').addClass('disabled').unbind('click');
        }else{
            $pp_pic_holder.find('a.pp_next').css('visibility','visible');
            $pp_pic_holder.find('a.pp_arrow_next.disabled').removeClass('disabled').bind('click',function(){
                $.prettyPhoto.changePage('next');
                return false;
            });
        };

        if(setPosition==0){
            $pp_pic_holder.find('a.pp_previous').css('visibility','hidden');
            $pp_pic_holder.find('a.pp_arrow_previous').addClass('disabled').unbind('click');
        }else{
            $pp_pic_holder.find('a.pp_previous').css('visibility','visible');
            $pp_pic_holder.find('a.pp_arrow_previous.disabled').removeClass('disabled').bind('click',function(){
                $.prettyPhoto.changePage('previous');
                return false;
            });
        };

        if(setCount>1){
            $('.pp_nav').show();
        }else{
            $('.pp_nav').hide();
        }
    };

function _fitToViewport(width,height){
    hasBeenResized=false;
    _getDimensions(width,height);
    imageWidth=width;
    imageHeight=height;
    if(((pp_containerWidth>windowWidth)||(pp_containerHeight>windowHeight))&&doresize&&settings.allowresize&&!percentBased){
        hasBeenResized=true;
        notFitting=true;
        while(notFitting){
            if((pp_containerWidth>windowWidth)){
                imageWidth=(windowWidth-200);
                imageHeight=(height/width)*imageWidth;
            }else if((pp_containerHeight>windowHeight)){
                imageHeight=(windowHeight-200);
                imageWidth=(width/height)*imageHeight;
            }else{
                notFitting=false;
            };

            pp_containerHeight=imageHeight;
            pp_containerWidth=imageWidth;
        };

        _getDimensions(imageWidth,imageHeight);
    };

    return{
        width:Math.floor(imageWidth),
        height:Math.floor(imageHeight),
        containerHeight:Math.floor(pp_containerHeight),
        containerWidth:Math.floor(pp_containerWidth)+40,
        contentHeight:Math.floor(pp_contentHeight),
        contentWidth:Math.floor(pp_contentWidth),
        resized:hasBeenResized
    };

};

function _getDimensions(width,height){
    width=parseFloat(width);
    height=parseFloat(height);
    $pp_details=$pp_pic_holder.find('.pp_details');
    $pp_details.width(width);
    detailsHeight=parseFloat($pp_details.css('marginTop'))+parseFloat($pp_details.css('marginBottom'));
    $pp_details=$pp_details.clone().appendTo($('body')).css({
        'position':'absolute',
        'top':-10000
    });
    detailsHeight+=$pp_details.height();
    detailsHeight=(detailsHeight<=34)?36:detailsHeight;
    if($.browser.msie&&$.browser.version==7)detailsHeight+=8;
    $pp_details.remove();
    pp_contentHeight=height+detailsHeight;
    pp_contentWidth=width;
    pp_containerHeight=pp_contentHeight+$ppt.height()+$pp_pic_holder.find('.pp_top').height()+$pp_pic_holder.find('.pp_bottom').height();
    pp_containerWidth=width;
}
function _getFileType(itemSrc){
    if(itemSrc.match(/youtube\.com\/watch/i)){
        return'youtube';
    }else if(itemSrc.match(/vimeo\.com/i)){
        return'vimeo';
    }else if(itemSrc.indexOf('.mov')!=-1){
        return'quicktime';
    }else if(itemSrc.indexOf('.swf')!=-1){
        return'flash';
    }else if(itemSrc.indexOf('iframe')!=-1){
        return'iframe'
        }else if(itemSrc.substr(0,1)=='#'){
        return'inline';
    }else{
        return'image';
    };

};

function _centerOverlay(){
    if(doresize){
        titleHeight=$ppt.height();
        contentHeight=$pp_pic_holder.height();
        contentwidth=$pp_pic_holder.width();
        projectedTop=(windowHeight/2)+scrollPos['scrollTop']-((contentHeight+titleHeight)/2);
        $pp_pic_holder.css({
            'top':projectedTop,
            'left':(windowWidth/2)+scrollPos['scrollLeft']-(contentwidth/2)
            });
        $ppt.css({
            'top':projectedTop-titleHeight,
            'left':(windowWidth/2)+scrollPos['scrollLeft']-(contentwidth/2)+20
            });
    };

};

function _getScroll(){
    if(self.pageYOffset){
        return{
            scrollTop:self.pageYOffset,
            scrollLeft:self.pageXOffset
            };

}else if(document.documentElement&&document.documentElement.scrollTop){
    return{
        scrollTop:document.documentElement.scrollTop,
        scrollLeft:document.documentElement.scrollLeft
        };

}else if(document.body){
    return{
        scrollTop:document.body.scrollTop,
        scrollLeft:document.body.scrollLeft
        };

};

};

function _resizeOverlay(){
    windowHeight=$(window).height();
    windowWidth=$(window).width();
    $pp_overlay.css({
        'height':$(document).height()
        });
};

function _buildOverlay(){
    $('body').append(settings.markup);
    $pp_pic_holder=$('.pp_pic_holder');
    $ppt=$('.ppt');
    $pp_overlay=$('div.pp_overlay');
    $pp_pic_holder.attr('class','pp_pic_holder '+settings.theme);
    $pp_overlay.css({
        'opacity':0,
        'height':$(document).height()
        }).bind('click',function(){
        if(!settings.modal)
            $.prettyPhoto.close();
    });
    $('a.pp_close').bind('click',function(){
        $.prettyPhoto.close();
        return false;
    });
    $('a.pp_expand').bind('click',function(){
        $this=$(this);
        if($this.hasClass('pp_expand')){
            $this.removeClass('pp_expand').addClass('pp_contract');
            doresize=false;
        }else{
            $this.removeClass('pp_contract').addClass('pp_expand');
            doresize=true;
        };

        _hideContent(function(){
            $.prettyPhoto.open(images,titles,descriptions)
            });
        $pp_pic_holder.find('.pp_fade').fadeOut(settings.animationSpeed);
        return false;
    });
    $pp_pic_holder.find('.pp_previous, .pp_arrow_previous').bind('click',function(){
        $.prettyPhoto.changePage('previous');
        return false;
    });
    $pp_pic_holder.find('.pp_next, .pp_arrow_next').bind('click',function(){
        $.prettyPhoto.changePage('next');
        return false;
    });
};

_centerOverlay();
};

function grab_param(name,url){
    name=name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
    var regexS="[\\?&]"+name+"=([^&#]*)";
    var regex=new RegExp(regexS);
    var results=regex.exec(url);
    if(results==null)
        return"";else
        return results[1];
}
})(jQuery);
